Pith Number

pith:4S7XW3AD

pith:2011:4S7XW3AD3OBRD4AK6JMVXAYUSF

not attested not anchored not stored refs pending

Magnetic Connectivity between Active Regions 10987, 10988, and 10989 by Means of Nonlinear Force-Free Field Extrapolation

A. Pevtsov, B. Inhester, T. Tadesse, T. Wiegelmann

arxiv:1104.2246 v1 · 2011-04-12 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4S7XW3AD3OBRD4AK6JMVXAYUSF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:24:35.691049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4bf7b6c03db8311f00af2595b83149144676b2cb9b6ba8e7b181a5e48768fc8

Aliases

arxiv: 1104.2246 · arxiv_version: 1104.2246v1 · doi: 10.48550/arxiv.1104.2246 · pith_short_12: 4S7XW3AD3OBR · pith_short_16: 4S7XW3AD3OBRD4AK · pith_short_8: 4S7XW3AD

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/4S7XW3AD3OBRD4AK6JMVXAYUSF \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e4bf7b6c03db8311f00af2595b83149144676b2cb9b6ba8e7b181a5e48768fc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5345d4943e92ed024ecdcdc55f7b240dfaeeca9152627f60acce48f5b5a3f419",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-04-12T15:35:40Z",
    "title_canon_sha256": "7a3b0095140f3aa6c04ff67b6fc41488f5606181dc2a3cf1702589d53a3409b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2246",
    "kind": "arxiv",
    "version": 1
  }
}